Umbraco CMS Authenticated File Upload

ALTO 8.8CVE-2020-9471 · GHSA-h68c-4jh3-cp9j · Published 16/03/2020 · updated 17/06/2026

Em resumo

CVE-2020-9471 é uma vulnerabilidade ALTO (CVSS 8.8) que afeta UmbracoCMS.Core, umbraco cms (umbraco).
Chance de exploração nos próximos 30 dias (EPSS): 2.3%, maior que 83.1% das vulnerabilidades.
Ainda não há versão corrigida: acompanhe o aviso do fornecedor em Referências.

Package	Affected versions	Patched versions
UmbracoCMS.Core NuGet	`≤ 8.5.3`	No fix yet
umbraco cms umbraco	`= 8.5.3`	No fix yet

Umbraco Cloud 8.5.3 allows an authenticated file upload (and consequently Remote Code Execution) via the Install Packages functionality.

NVD description

Umbraco Cloud 8.5.3 allows an authenticated file upload (and consequently Remote Code Execution) via the Install Packages functionality.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.